PT - JOURNAL ARTICLE AU - Geoffrey Precourt TI - What We Know About Social Media AID - 10.2501/JAR-52-4-389-390 DP - 2012 Dec 01 TA - Journal of Advertising Research PG - 389--390 VI - 52 IP - 4 4099 - http://www.journalofadvertisingresearch.com/content/52/4/389.short 4100 - http://www.journalofadvertisingresearch.com/content/52/4/389.full SO - J Advert Res2012 Dec 01; 52